Can Drinking Matcha Make Your Teeth Yellow? Know the Side Effects!

By Yashika Goel
11 Jun 2025, 22:00 IST

Matcha is a trendy Japanese tea loaded with antioxidants. But do you know, excessive consumption of matcha can stain your teeth yellow? Tap to read the side effects!

Tooth discolouration

Matcha is rich in tannins, which are pigments that icing to tooth enamel. It can cause yellowish stains and discolouration.

Plaque

Drinking matcha tea or coffee on a regular basis can cause plaque buildup on the teeth. Do proper oral cleaning to prevent that.

Triggers an upset stomach

Excessive matcha intake daily can irritate the stomach lining due to high caffeine content. It can cause acid reflux or bloating.

Iron absorption issues

Matcha is rich in antioxidants, which can disturb iron absorption from plant foods. It increases the risk of iron deficiency or anaemia.

Headaches or insomnia

Overconsumption of matcha tea can cause sleep disturbance due to high caffeine content. It can also cause headaches and restlessness.

Information Credits

This information is taken from the Research Gate. However, it is always advisable to consult a dentist for personalised suggestions.